<template>
  <div class="login-wrap">
    <el-form label-position="left" :model="ruleForm" :rules="rules" ref="ruleForm" label-width="0px" class="demo-ruleForm login-container">
      <h3 class="title">XXXX管理系统</h3>
      <el-form-item prop="username">
        <el-input type="text" v-model="ruleForm.username" auto-complete="off" placeholder="账号"></el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input type="password" v-model="ruleForm.password" auto-complete="off" placeholder="密码"></el-input>
      </el-form-item>
      <el-row>
        <el-col :span="12">
          <el-form-item prop="code">
            <el-input type="text" v-model="ruleForm.code" auto-complete="off" placeholder="验证码" @keyup.enter.native="submitForm('ruleForm')"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12" class="code-box">
          <div class="codeimg">{{code}}</div>
        </el-col>
      </el-row>
      <!-- <el-checkbox class="remember" v-model="rememberpwd">记住密码</el-checkbox> -->
      <el-form-item style="width:100%;">
        <el-button type="primary" style="width:100%;" @click="submitForm('ruleForm')" :loading="logining">登录</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script type="text/ecmascript-6">
export default {
  name: 'login',
  data() {
    return {
      //定义loading默认为false
      logining: false,
      // 记住密码
      rememberpwd: false,
      ruleForm: {
        //username和password默认为空
        username: '',
        password: '',
        code: '',
        randomStr: '',
        codeimg: ''
      },
      code:'',
      //rules前端验证
      rules: {
        username: [{ required: true, message: '请输入账号', trigger: 'blur' }],
        password: [{ required: true, message: '请输入密码', trigger: 'blur' }],
        code: [{ required: true, message: '请输入验证码', trigger: 'blur' }]
      }
    }
  },
  mounted() {
    this.setCode()
  },
  // 里面的函数只有调用才会执行
  methods: {
    setCode(){
      let res = '';
      for (let i = 0; i < 6; i++) {
        res += Math.floor(Math.random(9)*10)
      }
      this.code = res
    },
    goGoodsPage(){
      this.$router.push({ path: '/type-manage/Goods' })
    },
    //获取info列表
    submitForm(formName) {
      const _this = this
      this.$refs[formName].validate(async valid => {
        if (valid) {
          if(_this.ruleForm.code !== _this.code){
            _this.$message.error('验证码错误！')
            _this.setCode()
            return;
          }
          _this.logining = true
          
          _this.goGoodsPage()
          _this.$message.success('登录成功！')
          _this.logining = false
        } else {
          // 获取图形验证码
          this.setCode()
          this.$message.error('请输入用户名密码验证码！')
          this.logining = false
          return false
        }
      })
    },
  }
}
</script>

<style scoped>
.login-wrap {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  padding-top: 10%;
  /* background-color: #112346; */
  background-repeat: no-repeat;
  background-position: center right;
  background-size: 100%;
}
.login-container {
  border-radius: 10px;
  margin: 0px auto;
  width: 350px;
  padding: 30px 35px 15px 35px;
  background: #fff;
  border: 1px solid #eaeaea;
  text-align: left;
  box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);
}
.title {
  margin: 0px auto 40px auto;
  text-align: center;
  color: #505458;
}
.remember {
  margin: 0px 0px 35px 0px;
}
.code-box {
  text-align: right;
}
.codeimg {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 40px;
  letter-spacing: 5px;
}
</style>